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Finding the Fourth Proportional to 64,045.60, 96,010.80 and 41,869.60

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Solution

The fourth proportional to 64,045.60, 96,010.80 and 41,869.60 is: 62,766.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,045.60 : 96,010.80 = 41,869.60 : x
  2. Step 2: Convert to fraction form
    64,045.60/96,010.80 = 41,869.60/x
  3. Step 3: Cross multiply
    64,045.60x = 96,010.80 × 41,869.60
  4. Step 4: Simplify right side
    64,045.60x = 4,019,933,791.68
  5. Step 5: Solve for x
    x = 4,019,933,791.68/64,045.60
  6. Step 6: Final answer
    x = 62,766.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.